K-type star · orange
Theta Cha
Theta Cha is an orange in the constellation Chamaeleon 155 ly from Earth. Its surface is about 4,387 K, about 0.8 times the Sun's surface temperature, and it shines at 36.27× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 155 years ago.
Also catalogued as HR 3340 · HD 71701 · HIP 40888
4,387 K
temperature
4.34
apparent magnitude
36.27× ☉
luminosity vs Sun
K0III-IV
spectral type
Distance & comparison with our Sun
155 years
at light speed from Earth
0.76×
as hot as the Sun
36.27×
the Sun's light output
0.95
absolute magnitude
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VISIBLE TO THE NAKED EYE
Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.